Calendar date · September

What happened on September 17

On September 17, 1111: Highest Galician nobility led by Pedro Fróilaz de Traba and the bishop Diego Gelmírez crown Alfonso VII as "King of Galicia".

Events

70

across history

Notable births

50

Notable deaths

50

Zodiac

Virgo

Featured moment · 1111

Highest Galician nobility led by Pedro Fróilaz de Traba and the bishop Diego Gelmírez crown Alfonso VII as "King of Galicia".

The Kingdom of Galicia was a political entity located in southwestern Europe, which, at its territorial zenith, occupied the entire northwest of the Iberian Peninsula. In the early 10th century, the Kingdom of Galicia was formed following the division of the Kingdom of Asturias after the death of Alfonso III in 910. His sons split the kingdom, with Ordoño II inheriting Galicia.

People

Born on September 17

Elina Avanesyan 2002– Armenian tennis player (born 2002)
Jaimee Fourlis 1999– Australian tennis player (born 1999)
Daniel Huttlestone 1999– English actor
Kim Dong-hyun 1998– South Korean singer and actor (born 1998)
Auston Matthews 1997– American ice hockey player (born 1997)
Duje Ćaleta-Car 1996– Croatian footballer (born 1996)
Esteban Ocon 1996– French racing driver (born 1996)
Slayyyter 1996– American singer and songwriter (born 1996)
Choi Young-jae 1996– South Korean singer (born 1996)
Show 9 more — notable births on September 17
Michael Bunting 1995– Canadian ice hockey player (born 1995)
Patrick Mahomes 1995– American football player (born 1995)
Yoo Si-ah 1995– South Korean singer and actress (born 1995)
Na In-woo 1994– South Korean actor (born 1994)
Denyse Tontz 1994– American actress, singer, and songwriter (born 1994)
Sofiane Boufal 1993– Footballer (born 1993)
Sophie Howard 1993– Scottish footballer
Alfonzo McKinnie 1992– American basketball player (born 1992)
Danny Ramirez 1992– American actor (born 1992)

People

Died on September 17

Roger Climpson Australian journalist (1931–2025)
Nelson DeMille American author (1943–2024)
Neil King Jr. American journalist and author (1959–2024)
JD Souther American singer, songwriter and actor (1945–2024)
Maarten Schmidt Dutch-American astronomer (1929–2022)
Abdelaziz Bouteflika President of Algeria from 1999 to 2019
Robert W. Gore American scientist and businessman (1937–2020)
Cokie Roberts American journalist and author (1943–2019)
Bobby Heenan American wrestling commentator and manager (1944–2017)
Show 9 more — notable deaths on September 17
Bahman Golbarnezhad Iranian Paralympic athlete
Sigge Parling Swedish footballer (1930–2016)
Ingrīda Andriņa Latvian actress (1944–2015)
Dettmar Cramer German football manager (1925–2015)
Vadim Kuzmin Russian physicist and academic (born 1937)
David Willcocks British choral conductor (1919–2015)
George Hamilton IV American country musician (1937–2014)
Andriy Husin Ukrainian footballer and coach (1972–2014)
Wakachichibu Komei Japanese sumo wrestler (1939–2014)

Timeline

Every September 17 on record

  1. 1111 Highest Galician nobility led by Pedro Fróilaz de Traba and the bishop Diego Gelmírez crown Alfonso VII as "King of Galicia".

    Kingdom in Iberia from 910 to 1833

    The Kingdom of Galicia was a political entity located in southwestern Europe, which, at its territorial zenith, occupied the entire northwest of the Iberian Peninsula. In the early 10th century, the Kingdom of Galicia was formed following the division of the Kingdom of Asturias after the death of Alfonso III in 910. His sons split the kingdom, with Ordoño II inheriting Galicia.

  2. 1176 The Battle of Myriokephalon is the last attempt by the Byzantine Empire to recover central Anatolia from the Seljuk Turks.

    1176 battle between the Byzantine Empire and the Seljuk Turks

    The Battle of Myriokephalon was a battle between the Byzantine Empire and the Seljuk Turks in the mountains west of Iconium (Konya) in west-central Anatolia on 17 September 1176. The battle was a strategic reverse for the Byzantine forces, who were ambushed when moving through a mountain pass.

  3. 1382 Louis the Great's daughter, Mary, is crowned "king" of Hungary.

    King of Hungary and Croatia from 1342 to 1382

    Louis I of Hungary, also known as Louis the Great or Louis the Hungarian, was King of Hungary and Croatia from 1342 and King of Poland from 1370 until his death in 1382. He was the first child of Charles I of Hungary and his wife, Elizabeth of Poland, to survive infancy. A 1338 treaty between his father and Casimir III of Poland, Louis's maternal uncle, confirmed Louis's right to inherit the Kingdom of Poland if his uncle died without a son.

  4. 1462 Thirteen Years' War: A Polish army under Piotr Dunin decisively defeats the Teutonic Order at the Battle of Świecino.

    Conflict between the Prussian Confederation, Poland, and the Teutonic Order

    The Thirteen Years' War, also called the War of the Cities, was a conflict fought in 1454–1466 between the Prussian Confederation, allied with the Crown of the Kingdom of Poland, and the State of the Teutonic Order.

  5. 1543 The first Finnish-language book, the Abckiria by Mikael Agricola, is published in Stockholm.

    Finnic language

    Finnish is a Finnic language of the Uralic language family, spoken by the majority of the population in Finland and by ethnic Finns outside of Finland. Finnish is one of the two official languages of Finland, alongside Swedish. In Sweden, both Finnish and Meänkieli are official minority languages.

  6. 1577 The Treaty of Bergerac is signed between King Henry III of France and the Huguenots.
  7. 1620 Polish–Ottoman War: The Ottoman Empire defeats the Polish–Lithuanian Commonwealth during the Battle of Cecora.
  8. 1630 The city of Boston, Massachusetts, is founded in North America.
  9. 1631 Sweden wins a major victory at the Battle of Breitenfeld against the Holy Roman Empire during the Thirty Years' War.
  10. 1658 The Battle of Vilanova is fought between Portugal and Spain during the Portuguese Restoration War.
  11. 1683 Antonie van Leeuwenhoek writes a letter to the Royal Society describing "animalcules", later known as protozoa.
  12. 1775 American Revolutionary War: The invasion of Quebec by the Continental Army begins with the Siege of Fort St. Jean.
  13. 1776 The Presidio of San Francisco is founded in New Spain.
  14. 1778 The Treaty of Fort Pitt is signed. It is the first formal treaty between the United States and a Native American tribe.
  15. 1787 The United States Constitution is signed at Independence Hall in Philadelphia, bringing the Constitutional Convention to an end.
Show 15 earlier entries from September 17
  1. 1793 War of the Pyrenees: France defeats a Spanish force at the Battle of Peyrestortes.
  2. 1794 Flanders Campaign: France completes its conquest of the Austrian Netherlands at the Battle of Sprimont.
  3. 1809 Peace between Sweden and Russia in the Finnish War; the territory that will become Finland is ceded to Russia by the Treaty of Fredrikshamn.
  4. 1849 American abolitionist Harriet Tubman makes her first attempt to escape from slavery.
  5. 1859 Joshua A. Norton declares himself "Norton I, Emperor of the United States".
  6. 1861 Argentine Civil Wars: The State of Buenos Aires defeats the Argentine Confederation at the Battle of Pavón.
  7. 1862 American Civil War: George B. McClellan's Army of the Potomac halts the first invasion of the North by Robert E. Lee and his Army of Northern Virginia in the single-day Battle of Antietam, the bloodiest day in American military history.
  8. 1862 American Civil War: The Allegheny Arsenal explosion in Lawrenceville, Pennsylvania results in the single largest civilian disaster during the war.
  9. 1894 Battle of the Yalu River, the largest naval engagement of the First Sino-Japanese War.
  10. 1900 Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
  11. 1901 Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
  12. 1901 Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
  13. 1908 The Wright Flyer flown by Orville Wright, with Lieutenant Thomas Selfridge as passenger, crashes, killing Selfridge, who becomes the first airplane fatality.
  14. 1914 Andrew Fisher becomes Prime Minister of Australia for the third time.
  15. 1914 World War I: The Race to the Sea begins.

Around the world

Holidays on September 17

Keep going

More to explore

The zodiac sign covering September 17 Virgo Browse the calendar Every day in September Browse the calendar Every day in September